Home / 51,129.12-76,995.12-44,631.84

Finding the Fourth Proportional to 51,129.12, 76,995.12 and 44,631.84

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Solution

The fourth proportional to 51,129.12, 76,995.12 and 44,631.84 is: 67,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.12 : 76,995.12 = 44,631.84 : x
  2. Step 2: Convert to fraction form
    51,129.12/76,995.12 = 44,631.84/x
  3. Step 3: Cross multiply
    51,129.12x = 76,995.12 × 44,631.84
  4. Step 4: Simplify right side
    51,129.12x = 3,436,433,876.62
  5. Step 5: Solve for x
    x = 3,436,433,876.62/51,129.12
  6. Step 6: Final answer
    x = 67,210.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.